B2: Keeping Healthy

Notes for the OCR GCSE Biology module: B2 – Keeping Healthy. These have been made according to the specification and cover all the relevant topics for examination in May/June.

OCR GCSE B2 Notes:

• B2.1 How do our bodies resist infection?
• B2.2 What are vaccines and antibiotics and how do they work?
• B2.3 What factors increase the risk of heart disease?
• B2.4 How do our bodies keep a healthy water balance?